f Design Wien Bridge Oscillator for VLF to VHF Using Practical Op – Amp
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Research Article |

Design Wien Bridge Oscillator for VLF to VHF Using Practical Op – Amp

Author(s): Hanan Badeea Ahmed, Adham Hadi Saleh*, Khalid Awaad Humood and Tahreer Mahmood

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 12, Issue 3

Publisher : FOREX Publication

Published : 20 July 2024

e-ISSN : 2347-470X

Page(s) : 727-733

DOI: https://doi.org/10.37391/IJEER.120301

Abstract

An electronic oscillator is generally a major part of electrical, electronic and communications circuits and systems and it is can be divided into linear and nonlinear families. Wien Bridge is a type of RC phase shift oscillators mostly used for around 1MHz and its design adopts positive feedback technology. In this research, novel look the reasons for the inability to achieve high frequencies was understanding and the ambiguity was removing from the determinants of obtaining a high frequency signal for this type of oscillators, also, new results were obtained with a unique presentation. The output formula for the oscillation resonant frequency was deriving based on the oscillator’s theory. The design has beaning successfully achieved by using a practical high-performance op-amp and from the simulation results the frequency bandwidth was 50.7211 MHZ from,VLF (9.83 HZ ) to VHF (50.73 MHZ) and. These unique and interesting scientific findings were encouraging.

Keywords: RC, Wien Bridge Oscillator, LF-MF-VHF, OP-AMP.




Hanan Badeea Ahmed, Department of Electronic Engineering, College of Engineering, University of Diyala, Iraq; Email: hananbadeea79@uodiyala.edu.iq

Adham Hadi Saleh*, Department of Electronic Engineering, College of Engineering, University of Diyala, Iraq; Email: adham.hadi@yahoo.com

Khalid Awaad Humood, Department of Medical Instruments Engineering Techniques, Bilad Alrafidain University College, 32001 Diyala, Iraq; Email: humoodkhalid@gmail.com

Tahreer Mahmood, Department of Electronic Engineering, College of Engineering, University of Diyala, Iraq; Email: tahreer_mahmood_eng@uodiyala.edu.iq

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Hanan Badeea Ahmed, Adham Hadi Saleh, Khalid Awaad Humood and Tahreer Mahmood (2024), Design Wien Bridge Oscillator for VLF to VHF Using Practical Op – Amp. IJEER 12(3), 727-733. DOI: 10.37391/IJEER.120301.